| Duncan to Rivalta di Torino | 5,233.68 mi (8,422.79 km) |
| Duncan to Rivarolo Canavese | 5,229.82 mi (8,416.58 km) |
| Duncan to Rivoli | 5,232.23 mi (8,420.47 km) |
| Duncan to Rocca di Papa | 5,577.75 mi (8,976.53 km) |
| Duncan to Rocca Priora | 5,579.05 mi (8,978.61 km) |
| Duncan to Roccapiemonte | 5,701.17 mi (9,175.15 km) |
| Duncan to Roccastrada | 5,462.58 mi (8,791.18 km) |
| Duncan to Romano di Lombardia | 5,302.45 mi (8,533.46 km) |
| Duncan to Rome | 5,562.89 mi (8,952.61 km) |
| Duncan to Roncade | 5,399.33 mi (8,689.38 km) |
| Duncan to Ronchi dei Legionari | 5,432.99 mi (8,743.55 km) |
| Duncan to Ronciglione | 5,535.12 mi (8,907.91 km) |
| Duncan to Rosa | 5,372.13 mi (8,645.61 km) |
| Duncan to Rosarno | 5,855.25 mi (9,423.12 km) |
| Duncan to Rosignano Marittimo | 5,418.13 mi (8,719.65 km) |
